diff options
Diffstat (limited to 'lib/Target/PowerPC/PPCInstrInfo.h')
| -rw-r--r-- | lib/Target/PowerPC/PPCInstrInfo.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/lib/Target/PowerPC/PPCInstrInfo.h b/lib/Target/PowerPC/PPCInstrInfo.h index 83f14c6cf214..4add6f9781e8 100644 --- a/lib/Target/PowerPC/PPCInstrInfo.h +++ b/lib/Target/PowerPC/PPCInstrInfo.h @@ -11,8 +11,8 @@ // //===----------------------------------------------------------------------===// -#ifndef POWERPC_INSTRUCTIONINFO_H -#define POWERPC_INSTRUCTIONINFO_H +#ifndef LLVM_LIB_TARGET_POWERPC_PPCINSTRINFO_H +#define LLVM_LIB_TARGET_POWERPC_PPCINSTRINFO_H #include "PPC.h" #include "PPCRegisterInfo.h" @@ -106,6 +106,15 @@ public: UseNode, UseIdx); } + bool hasLowDefLatency(const InstrItineraryData *ItinData, + const MachineInstr *DefMI, + unsigned DefIdx) const override { + // Machine LICM should hoist all instructions in low-register-pressure + // situations; none are sufficiently free to justify leaving in a loop + // body. + return false; + } + bool isCoalescableExtInstr(const MachineInstr &MI, unsigned &SrcReg, unsigned &DstReg, unsigned &SubIdx) const override; @@ -228,6 +237,8 @@ public: /// instruction may be. This returns the maximum number of bytes. /// unsigned GetInstSizeInBytes(const MachineInstr *MI) const; + + void getNoopForMachoTarget(MCInst &NopInst) const override; }; } |